Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 98141-42-5, name is 4,6-Dichloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Product Details of 98141-42-5
[0233] A mixture of 4,6-dichloro-l-methyl-lH-pyrazolo[3,4-d]pyrimidine (300 mg, 1.50 mmol), 4-(lH-pyrazol-4-yl)aniline (235, 1.50 mmol), and iPr2NEt (0.52 mL, 0.74 mmol) in DMF (3.0 mL) was heated at 100 C for 5h, cooled to rt, and diluted with water. The precipitate formed was collected by filtration and washed with water and dried in vacuo to provide the title compound (470 mg, 98%). 1H NMR (400 MHz, DMSO-i/6) delta 12.95 (s, 1H), 10.48 (s, 1H), 8.26 (d, J= 61.6 Hz, 2H), 7.95 (s, 1H), 7.84 – 7.51 (m, 4H), 3.91 (s, 3H). MS (ES+) m/e 326 (M+H)+.
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Reference:
Patent; KADMON CORPORATION, LLC; OLSZEWSKI, Kellen; KIM, Ji-In; POYUROVSKY, Masha; LIU, Kevin; BARSOTTI, Anthony; MORRIS, Koi; (344 pag.)WO2016/210330; (2016); A1;,
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